A few weeks ago, Henry Rzepa asked about parsing image files like GIF
and PNG, which have built-in comments fields. Obviously, this could
be done by having Retriever::got_image call got_href as well and add
the image URLs to the pile. This was what Gilles suggested.
I pointed out that we have an Images class, which supposedly checks
on the size of images (in K) to get the total size of a document
including images. This is the purpose of the DocImageSize field of
the DocumentRef class. I pointed out that this could be used for this
purpose and then noticed that it doesn't call the Transport classes.
This class doesn't get called at all. It would be called from the
Retriever::got_image method, but this is commented out.
I suggest we toss the class and the field in the DocRefs and add an
option to add image URLs to the retrieval list. I think this needs at
least a little discussion and a vote even though it's essentially a
call to remove a dead class.
-Geoff
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